Automatic reverse tape recorder with means for stopping the auto

Details Automatic reverse tape recorder with means for stopping the auto Automatic reverse tape recorder with means for stopping the auto

1979-11-05

1982-01-05

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 741, G11B 1902

Patent

active

043097278

ABSTRACT:
An automatic reverse tape recorder wherein a magnetic head-supporting board whose central part acts as a rotation center and both ends of which support a forward head and reverse head respectively is rotatably fitted to the fixed chassis. A normally closed switch which is rendered nonconducting when a push lever is so pressed as to cause the reproduction head to abut against the tape surface is positioned ahead of the inward projecting attachment of, for example, a push lever. This normally closed switch is set in a circuit for driving a head-supporting board rotating plunger. When the plunger driving circuit is closed, the head-supporting board is rotated, causing a motor polarity changeover switch to be actuated for the reverse drive of a motor. Where, therefore, the push lever is pressed to establish the recording mode, then the normally closed switch is rendered nonconducting by the action of the projecting attachment of the push lever. As a result, the plunger driving circuit is opened to prevent the automatic reverse operation of the tape recorder. Where, however, the normally closed switch is rendered conducting during the reproduction mode to close the plunger driving circuit, thereby allowing for the automatic reverse operation of the tape recorder.

REFERENCES:
patent: 3606202 (1971-09-01), Williams et al.
patent: 3810240 (1974-05-01), Nozawa

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